[Mono-dev] MySQL Connector/NET - support for transactions under Mono

Pablo Ruiz pablo.ruiz at gmail.com
Sun Oct 3 20:17:00 EDT 2010

No idea about subsonic internals, but if it depends on ado provider
auto-enlistment features (enlist=true on conn. string) it wont work. :(

On Mon, Oct 4, 2010 at 1:54 AM, Brad Robinson
<brad.robinson at cognethos.com>wrote:

> Does anyone know how to get MySQL transactions working under Mono?
> I'm using MySQL Connector/NET (via Subsonic 3) and it works perfectly under
> Microsoft .NET.  Recently however I tried running the same site under Mono
> on Ubuntu and it almost works - except I can't seem to get transactions
> working.
> Reading around the Mono/MySQL sites it's not exactly clear what is and
> isn't
> supported.
> The original problem is a NotImplementedExcetion with call stack like this:
>    [System.NotImplementedException]: The requested feature is not
> implemented.
>    at MySql.Data.MySqlClient.MySqlConnection.EnlistTransaction
> (System.Transactions.Transaction) <0x00181>
>    at MySql.Data.MySqlClient.MySqlConnection.Open () <0x00381>
>    at SubSonic.DataProviders.DbDataProvider.CreateConnection (string)
> <0x00059>
>    at SubSonic.DataProviders.DbDataProvider.CreateConnection () <0x00015>
> There's a few mentions of this on the MySQL site which seem to point to
> Mono
> not supporting the required infrastructure to make transactions work.
> There's also a comment that transactions work fine when using
> CommittableTransaction rather than TransactionScope.  So I tried that, but
> got the same exception.
> Another comment on the MySQL site suggested rebuilding the MySQL data
> provider with the `MONO` build option.  Which I tried and the site now
> works, but transactions aren't being used - they've been simply disabled.
> Really?
> I find it hard to believe that transactions can't be made to work in this
> environment, but can't find a working example.
> Mono 2.6.7, MySQL Connection/NET 6.3.4, Subsonic 3, Ubuntu 10.10
> --
> View this message in context:
> http://mono.1490590.n4.nabble.com/MySQL-Connector-NET-support-for-transactions-under-Mono-tp2953660p2953660.html
> Sent from the Mono - Dev mailing list archive at Nabble.com.
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